刊名:Journal of Mathematical Analysis and Applications
出版年:2016
出版时间:1 November 2016
年:2016
卷:443
期:1
页码:542-565
全文大小:433 K
文摘
Let lsi1" class="mathmlsrc">lass="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0022247X16301913&_mathId=si1.gif&_user=111111111&_pii=S0022247X16301913&_rdoc=1&_issn=0022247X&md5=1ae759d167975db0d86de7bf20fdbaba" title="Click to view the MathML source">Bb>Rb>lass="mathContainer hidden">lass="mathCode"> be the ball of radius R in lsi2" class="mathmlsrc">lass="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0022247X16301913&_mathId=si2.gif&_user=111111111&_pii=S0022247X16301913&_rdoc=1&_issn=0022247X&md5=5cf7f9ac3fbbad299a864af601681500" title="Click to view the MathML source">RNlass="mathContainer hidden">lass="mathCode"> with lsi3" class="mathmlsrc">lass="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0022247X16301913&_mathId=si3.gif&_user=111111111&_pii=S0022247X16301913&_rdoc=1&_issn=0022247X&md5=f174e063c5921d90c548055b91cbefa1" title="Click to view the MathML source">N≥2lass="mathContainer hidden">lass="mathCode">. We consider the nonconstant radial positive solutions of elliptic systems of the form
where f and g are nondecreasing in each component. With few assumptions on the nonlinearities, we apply bifurcation theory to show the existence of at least one nonnegative, nonconstant and nondecreasing solution.
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